/**
 *    Copyright 2009-2021 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.apache.ibatis.submitted.cglib_lazy_error;

public class Person {

    private Long id;
    private String firstName;
    private String lastName;
    private Person parent;

    public Person getAncestor() {
        if (getParent() == null) {
            return this;
        } else {
            return getParent().getAncestor();
        }
    }


    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (!(o instanceof Person))
            return false;

        Person person = (Person) o;

        if (id != null ? !id.equals(person.id) : person.id != null)
            return false;

        return true;
    }

    @Override
    public int hashCode() {
        return id != null ? id.hashCode() : 0;
    }

    @Override
    public String toString() {
        return id + ": " + firstName + " " + lastName + " (" + parent + ")";
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public Person getParent() {
        return parent;
    }

    public void setParent(Person parent) {
        this.parent = parent;
    }
}
